Home / 2,917.38-4,372.29-1,185.06

Finding the Fourth Proportional to 2,917.38, 4,372.29 and 1,185.06

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Solution

The fourth proportional to 2,917.38, 4,372.29 and 1,185.06 is: 1,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.38 : 4,372.29 = 1,185.06 : x
  2. Step 2: Convert to fraction form
    2,917.38/4,372.29 = 1,185.06/x
  3. Step 3: Cross multiply
    2,917.38x = 4,372.29 × 1,185.06
  4. Step 4: Simplify right side
    2,917.38x = 5,181,425.99
  5. Step 5: Solve for x
    x = 5,181,425.99/2,917.38
  6. Step 6: Final answer
    x = 1,776.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.